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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.425 by root, Mon Apr 21 06:35:26 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
		48	use JSON::XS 2.01 ();
25	use BDB ();	49	use BDB ();
26	use Data::Dumper;	50	use Data::Dumper;
27	use Digest::MD5;	51	use Digest::MD5;
28	use Fcntl;	52	use Fcntl;
29	use YAML::Syck ();	53	use YAML ();
30	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
31	use Time::HiRes;	55	use Time::HiRes;
32	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
33		58
34	# configure various modules to our taste	59	# configure various modules to our taste
35	#	60	#
36	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		64
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		66
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		68
49	our %COMMAND = ();	69	our %COMMAND = ();
50	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
51		71
52	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
56		77
57	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
58	our @EVENT;	79	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
71		93
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	97	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		99
80	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	104	our $DB_ENV;
82		105
83	our %CFG;	106	our %CFG;
84		107
85	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
87		111
88	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
91		115
92	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
94		123
95	binmode STDOUT;	124	binmode STDOUT;
96	binmode STDERR;	125	binmode STDERR;
97		126
98	# read virtual server time, if available	127	# read virtual server time, if available
…		…
139		168
140	=item $cf::TICK	169	=item $cf::TICK
141		170
142	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
143		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
144	=item %cf::CFG	183	=item %cf::CFG
145		184
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	186	from wherever your confdir points to.
148		187
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		189
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
		199
155	=back	200	=back
156		201
157	=cut	202	=cut
158		203
159	BEGIN {	204	BEGIN {
…		…
163	$msg .= "\n"	208	$msg .= "\n"
164	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
165		210
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		212
168	utf8::encode $msg;
169	LOG llevError, $msg;	213	LOG llevError, $msg;
170	};	214	};
171	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
172		231
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		239
180	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	241	# within the Safe compartment.
182	for my $pkg (qw(	242	for my $pkg (qw(
183	cf::global cf::attachable	243	cf::global cf::attachable
…		…
188	)) {	248	)) {
189	no strict 'refs';	249	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	251	}
192		252
193	$Event::DIED = sub {	253	$EV::DIED = sub {
194	warn "error in event callback: @_";	254	warn "error in event callback: @_";
195	};	255	};
		256
		257	#############################################################################
196		258
197	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
198		260
199	=over 4	261	=over 4
200		262
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	282	$d
221	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
222	}	284	}
223		285
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
227		287
228	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
229		289
230	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
231		291
232	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
233		300
234	=item cf::lock_wait $string	301	=item cf::lock_wait $string
235		302
236	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
237		304
…		…
240	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
243	returned.	310	returned.
244		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
245	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
247		317
248	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
249		319
250	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
251		321
252	=cut	322	=cut
253		323
254	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
255		326
256	sub lock_wait($) {	327	sub lock_wait($) {
257	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
258		334
259	# wait for lock, if any	335	# wait for lock, if any
260	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	338	Coro::schedule;
…		…
268		344
269	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
270	lock_wait $key;	346	lock_wait $key;
271		347
272	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
273		350
274	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
277	}	355	}
278	}	356	}
279		357
…		…
282		360
283	! ! $LOCK{$key}	361	! ! $LOCK{$key}
284	}	362	}
285		363
286	sub freeze_mainloop {	364	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
288		366
289	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
290	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
291	};	428	}
292	$TICK_WATCHER->stop;	429	};
293	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
294	}	443	}
295		444
296	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
297		446
298	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		452
304	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
305		454
306	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
307		456
308	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
311		461
312	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
315	fast or be very important.	465	fast or be very important.
…		…
318		468
319	sub sync_job(&) {	469	sub sync_job(&) {
320	my ($job) = @_;	470	my ($job) = @_;
321		471
322	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
323	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
325		477
326	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	479
328	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
329		481
330	my $busy = 1;	482	my $busy = 1;
331	my @res;	483	my @res;
332		484
333	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	487	@res = eval { $job->() };
335	warn $@ if $@;	488	warn $@ if $@;
336	undef $busy;	489	undef $busy;
337	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
338		491
339	while ($busy) {	492	while ($busy) {
340	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
341	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
342		503
343	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
344	} else {	505	} else {
345	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
346		507
…		…
366	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
367		528
368	$coro	529	$coro
369	}	530	}
370		531
371	sub write_runtime {	532	=item fork_call { }, $args
372	my $runtime = "$LOCALDIR/runtime";
373		533
374	# first touch the runtime file to show we are still running:	534	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
376		538
377	warn "touching runtime...\n";#d#	539	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	540
379	utime undef, undef, $fh;	541	sub fork_call(&@) {
		542	my ($cb, @args) = @_;
		543
		544	# we seemingly have to make a local copy of the whole thing,
		545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
		547
		548	my @res = Coro::Util::fork_eval {
		549	reset_signals;
		550	&$cb
		551	}, @args;
		552
		553	wantarray ? @res : $res[-1]
		554	}
		555
		556	=item $coin = coin_from_name $name
		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
380	}	610	};
		611	cf::cleanup "db_open(db): $@" if $@;
381		612
382	my $guard = cf::lock_acquire "write_runtime";	613	$db
		614	}
383		615
384	warn "starting to write runtime...\n";#d#	616	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		617
388	my $value = $cf::RUNTIME + 90 + 10;	618	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	619	cf::sync_job {
390	# 60 allows for the watchdog to kill the server.	620	$DB ||= db_table "db";
		621	};
		622	}
391		623
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	624	sub db_get($$) {
393	and return;	625	my $key = "$_[0]/$_[1]";
394		626
395	# always fsync - this file is important	627	cf::sync_job {
396	aio_fsync $fh	628	BDB::db_get $DB, undef, $key, my $data;
397	and return;
398		629
399	# touch it again to show we are up-to-date	630	$! ? ()
400	utime undef, undef, $fh;	631	: $data
401
402	close $fh
403	or return;
404
405	aio_rename "$runtime~", $runtime
406	and return;
407
408	warn "... done writing runtime.\n";#d#
409
410	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
411	}	708	}
412		709
413	=item cf::datalog type => key => value, ...	710	=item cf::datalog type => key => value, ...
414		711
415	Log a datalog packet of the given type with the given key-value pairs.	712	Log a datalog packet of the given type with the given key-value pairs.
…		…
433	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
435		732
436	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
437	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	735	Deliantra).
439		736
440	=over 4	737	=over 4
441		738
442	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
443		740
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
607		904
608	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		909
613	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	911	my $pkg = shift @arg;
615		912
616	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
646	}	943	}
647		944
648	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
649	} else {	946	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	948	}
652		949
653	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
654	}	951	}
655		952
…		…
657	if (ref $_[0]) {	954	if (ref $_[0]) {
658	_object_attach @_;	955	_object_attach @_;
659	} else {	956	} else {
660	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
661	}	958	}
		959	_recalc_want;
662	};	960	};
663		961
664	# all those should be optimised	962	# all those should be optimised
665	sub cf::attachable::detach {	963	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
670	reattach ($obj);	968	reattach ($obj);
671	} else {	969	} else {
672	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
673	}	971	}
		972	_recalc_want;
674	};	973	};
675		974
676	sub cf::attachable::attached {	975	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
678		977
…		…
693	";	992	";
694	die if $@;	993	die if $@;
695	}	994	}
696		995
697	our $override;	996	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		998
700	sub override {	999	sub override {
701	$override = 1;	1000	$override = 1;
702	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
703	}	1002	}
704		1003
705	sub do_invoke {	1004	sub do_invoke {
706	my $event = shift;	1005	my $event = shift;
707	my $callbacks = shift;	1006	my $callbacks = shift;
708		1007
709	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
710		1009
711	local $override;	1010	local $override;
712		1011
713	for (@$callbacks) {	1012	for (@$callbacks) {
714	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
723	}	1022	}
724		1023
725	0	1024	0
726	}	1025	}
727		1026
728	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729		1028
730	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731		1030
732	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
733		1032
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		1036
738	=back	1037	=back
739		1038
740	=cut	1039	=cut
741		1040
742	#############################################################################	1041	#############################################################################
743	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
744		1085
745	sub reattach {	1086	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	1088	my ($obj) = @_;
748		1089
…		…
769	cf::attachable->attach (	1110	cf::attachable->attach (
770	prio => -1000000,	1111	prio => -1000000,
771	on_instantiate => sub {	1112	on_instantiate => sub {
772	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
773		1114
774	$data = from_json $data;	1115	$data = decode_json $data;
775		1116
776	for (@$data) {	1117	for (@$data) {
777	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
778		1119
779	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
795	sub object_freezer_save {	1136	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
797		1138
798	sync_job {	1139	sync_job {
799	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
802		1144
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
807	close $fh;	1149	close $fh;
808		1150
809	if (@$objs) {	1151	if (@$objs) {
810	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
811	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
812	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
814	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
815	close $fh;	1157	close $fh;
816	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
817	}	1159	}
…		…
825	}	1167	}
826	} else {	1168	} else {
827	aio_unlink $filename;	1169	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
829	}	1171	}
830	}	1172	};
831	}	1173	}
832		1174
833	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
835		1177
…		…
847	or return;	1189	or return;
848		1190
849	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
851	or return;	1193	or return;
		1194
852	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
853	}	1197	}
854		1198
		1199	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
857	return ($data, $av);	1203	($data, $av)
858	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
859		1211
860	#############################################################################	1212	#############################################################################
861	# command handling &c	1213	# command handling &c
862		1214
863	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1229	}
878		1230
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1232
881	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
882		1238
883	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
884	called.	1240	called.
885		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
886	=cut	1253	=cut
887		1254
888	sub register_extcmd {	1255	sub register_extcmd {
889	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
890		1257
891	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
892	}	1265	}
893		1266
894	cf::player->attach (	1267	cf::player->attach (
895	on_command => sub {	1268	on_command => sub {
896	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
905	cf::override;	1278	cf::override;
906	},	1279	},
907	on_extcmd => sub {	1280	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
909		1282
910	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1284
912	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
918	} else {	1300	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1302	}
921		1303
922	cf::override;	1304	cf::override;
923	},	1305	},
924	);	1306	);
925		1307
926	sub load_extension {
927	my ($path) = @_;
928
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
930	my $base = $1;
931	my $pkg = $1;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}
954	die $@;
955	}
956
957	push @EXTS, $pkg;
958	}
959
960	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
961	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1313	next unless -r $path;
963	eval {	1314
964	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
965	1	1371	}
966	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
967	}	1377	};
968	}	1378	}
969		1379
970	#############################################################################	1380	#############################################################################
971		1381
		1382	=back
		1383
972	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
973		1385
974	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
975		1387
976	=cut	1388	=cut
…		…
980	use Coro::AIO;	1392	use Coro::AIO;
981		1393
982	=head3 cf::player	1394	=head3 cf::player
983		1395
984	=over 4	1396	=over 4
		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
985		1411
986	=item cf::player::find $login	1412	=item cf::player::find $login
987		1413
988	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
989		1415
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1455
1030	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1031	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461	local $cf::PLAYER_LOADING{$login} = $pl;
		1462	$f->resolve_delayed_derefs;
1032	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
1033	}	1464	}
1034	}	1465	}
1035	}	1466	}
1036		1467
…		…
1045	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1046		1477
1047	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
1049		1480
		1481	cf::get_slot 0.01;
		1482
1050	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1051	Coro::cede;	1484	cf::cede_to_tick;
1052	}	1485	}
1053		1486
1054	sub new($) {	1487	sub new($) {
1055	my ($login) = @_;	1488	my ($login) = @_;
1056		1489
…		…
1060	$self->{deny_save} = 1;	1493	$self->{deny_save} = 1;
1061		1494
1062	$cf::PLAYER{$login} = $self;	1495	$cf::PLAYER{$login} = $self;
1063		1496
1064	$self	1497	$self
		1498	}
		1499
		1500	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1501
		1502	=cut
		1503
		1504	sub send_msg {
		1505	my $ns = shift->ns
		1506	or return;
		1507	$ns->send_msg (@_);
1065	}	1508	}
1066		1509
1067	=item $pl->quit_character	1510	=item $pl->quit_character
1068		1511
1069	Nukes the player without looking back. If logged in, the connection will	1512	Nukes the player without looking back. If logged in, the connection will
…		…
1124	or return [];	1567	or return [];
1125		1568
1126	my @logins;	1569	my @logins;
1127		1570
1128	for my $login (@$dirs) {	1571	for my $login (@$dirs) {
		1572	my $path = path $login;
		1573
		1574	# a .pst is a dead give-away for a valid player
		1575	unless (-e "$path.pst") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1132		1580
1133	utf8::decode $login;	1581	utf8::decode $login;
1134	push @logins, $login;	1582	push @logins, $login;
1135	}	1583	}
1136		1584
…		…
1163	}	1611	}
1164		1612
1165	\@paths	1613	\@paths
1166	}	1614	}
1167		1615
		1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1617
		1618	Expand crossfire pod fragments into protocol xml.
		1619
		1620	=cut
		1621
		1622	use re 'eval';
		1623
		1624	my $group;
		1625	my $interior; $interior = qr{
		1626	# match a pod interior sequence sans C<< >>
		1627	(?:
		1628	\ (.*?)\ (?{ $group = $^N })
		1629	| < (??{$interior}) >
		1630	)
		1631	}x;
		1632
		1633	sub expand_cfpod {
		1634	my ($self, $pod) = @_;
		1635
		1636	my $xml;
		1637
		1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
		1641
		1642	$group =~ s/&/&amp;/g;
		1643	$group =~ s/</&lt;/g;
		1644
		1645	$xml .= $group;
		1646	} elsif ($pod =~ m%\G
		1647	([BCGHITU])
		1648	<
		1649	(?:
		1650	([^<>]*) (?{ $group = $^N })
		1651	| < $interior >
		1652	)
		1653	>
		1654	%gcsx
		1655	) {
		1656	my ($code, $data) = ($1, $group);
		1657
		1658	if ($code eq "B") {
		1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1660	} elsif ($code eq "I") {
		1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1662	} elsif ($code eq "U") {
		1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1664	} elsif ($code eq "C") {
		1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1666	} elsif ($code eq "T") {
		1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1668	} elsif ($code eq "G") {
		1669	my ($male, $female) = split /\|/, $data;
		1670	$data = $self->gender ? $female : $male;
		1671	$xml .= expand_cfpod ($self, $data);
		1672	} elsif ($code eq "H") {
		1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1675	"")
		1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
		1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
		1687
		1688	for ($xml) {
		1689	# create single paragraphs (very hackish)
		1690	s/(?<=\S)\n(?=\w)/ /g;
		1691
		1692	# compress some whitespace
		1693	s/\s+\n/\n/g; # ws line-ends
		1694	s/\n\n+/\n/g; # double lines
		1695	s/^\n+//; # beginning lines
		1696	s/\n+$//; # ending lines
		1697	}
		1698
		1699	$xml
		1700	}
		1701
		1702	no re 'eval';
		1703
		1704	sub hintmode {
		1705	$_[0]{hintmode} = $_[1] if @_ > 1;
		1706	$_[0]{hintmode}
		1707	}
		1708
1168	=item $player->ext_reply ($msgid, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1169		1710
1170	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1171		1712
1172	=cut	1713	=cut
1173		1714
1174	sub ext_reply($$%) {	1715	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1176		1717
1177	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1719	}
1181		1720
1182	=item $player->ext_event ($type, %msg)	1721	=item $player->ext_msg ($type, @msg)
1183		1722
1184	Sends an ext event to the client.	1723	Sends an ext event to the client.
1185		1724
1186	=cut	1725	=cut
1187		1726
1188	sub ext_event($$%) {	1727	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1728	my ($self, $type, @msg) = @_;
1190		1729
1191	$self->ns->ext_event ($type, %msg);	1730	$self->ns->ext_msg ($type, @msg);
1192	}	1731	}
1193		1732
1194	=head3 cf::region	1733	=head3 cf::region
1195		1734
1196	=over 4	1735	=over 4
…		…
1199		1738
1200	package cf::region;	1739	package cf::region;
1201		1740
1202	=item cf::region::find_by_path $path	1741	=item cf::region::find_by_path $path
1203		1742
1204	Tries to decuce the probable region for a map knowing only its path.	1743	Tries to decuce the likely region for a map knowing only its path.
1205		1744
1206	=cut	1745	=cut
1207		1746
1208	sub find_by_path($) {	1747	sub find_by_path($) {
1209	my ($path) = @_;	1748	my ($path) = @_;
1210		1749
1211	my ($match, $specificity);	1750	my ($match, $specificity);
1212		1751
1213	for my $region (list) {	1752	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1753	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1754	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1755	if $region->specificity > $specificity;
1217	}	1756	}
1218	}	1757	}
1219		1758
…		…
1240	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1241	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1242		1781
1243	sub generate_random_map {	1782	sub generate_random_map {
1244	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1245	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1246	$self->_create_random_map (	1788	$self->_create_random_map (
1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1283	my ($self, $merge) = @_;	1825	my ($self, $merge) = @_;
1284		1826
1285	# we have to keep some variables in memory intact	1827	# we have to keep some variables in memory intact
1286	local $self->{path};	1828	local $self->{path};
1287	local $self->{load_path};	1829	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1830
1291	$self->SUPER::thawer_merge ($merge);	1831	$self->SUPER::thawer_merge ($merge);
1292	}	1832	}
1293		1833
1294	sub normalise {	1834	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1342	return $self;	1882	return $self;
1343	}	1883	}
1344	}	1884	}
1345		1885
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1887	()
1348	}	1888	}
1349		1889
1350	sub init {	1890	sub init {
1351	my ($self) = @_;	1891	my ($self) = @_;
…		…
1373		1913
1374	# the temporary/swap location	1914	# the temporary/swap location
1375	sub save_path {	1915	sub save_path {
1376	my ($self) = @_;	1916	my ($self) = @_;
1377		1917
1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379	"$TMPDIR/$path.map"	1919	"$TMPDIR/$path.map"
1380	}	1920	}
1381		1921
1382	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1383	sub uniq_path {	1923	sub uniq_path {
1384	my ($self) = @_;	1924	my ($self) = @_;
1385		1925
1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1388	}	1928	}
1389		1929
1390	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1391	# all maps in C++...	1931	# all maps in C++...
…		…
1394		1934
1395	$_->change_map_light ($change)	1935	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1936	for grep $_->outdoor, values %cf::MAP;
1397	}	1937	}
1398		1938
		1939	sub decay_objects {
		1940	my ($self) = @_;
		1941
		1942	return if $self->{deny_reset};
		1943
		1944	$self->do_decay_objects;
		1945	}
		1946
1399	sub unlink_save {	1947	sub unlink_save {
1400	my ($self) = @_;	1948	my ($self) = @_;
1401		1949
1402	utf8::encode (my $save = $self->save_path);	1950	utf8::encode (my $save = $self->save_path);
1403	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1951	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1406		1954
1407	sub load_header_from($) {	1955	sub load_header_from($) {
1408	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1409		1957
1410	utf8::encode $path;	1958	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	or return;	1960	or return;
		1961
		1962	$self->_load_header ($f)
		1963	or return;
		1964
		1965	local $MAP_LOADING{$self->{path}} = $self;
		1966	$f->resolve_delayed_derefs;
1416		1967
1417	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1418		1969
1419	1	1970	1
1420	}	1971	}
…		…
1459	$self->load_header_orig	2010	$self->load_header_orig
1460	or return;	2011	or return;
1461	$self->prepare_orig;	2012	$self->prepare_orig;
1462	}	2013	}
1463		2014
		2015	$self->{deny_reset} = 1
		2016	if $self->no_reset;
		2017
1464	$self->default_region (cf::region::find_by_path $self->{path})	2018	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	2019	unless $self->default_region;
1466		2020
1467	1	2021	1
1468	}	2022	}
…		…
1471	sub find {	2025	sub find {
1472	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1473		2027
1474	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1475		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1477		2032
1478	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1479	my $guard = cf::lock_acquire "map_find:$path";	2034	my $guard1 = cf::lock_acquire "map_find:$path";
		2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2036
1480	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1481	or return;	2038	or return;
1482		2039
1483	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1484		2041
1485	$map->load_header	2042	$map->load_header
1486	or return;	2043	or return;
1487		2044
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1491	$map->reset;	2050	$map->reset;
1492	undef $guard;
1493	return find $path;	2051	return find $path;
1494	}	2052	}
1495		2053
1496	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1497	}	2055	}
…		…
1506	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1507		2065
1508	my $path = $self->{path};	2066	my $path = $self->{path};
1509		2067
1510	{	2068	{
1511	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1512		2070
		2071	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1514		2073
1515	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1516		2075
1517	$self->alloc;	2076	$self->alloc;
1518		2077
1519	$self->pre_load;	2078	$self->pre_load;
1520	Coro::cede;	2079	cf::cede_to_tick;
1521		2080
		2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
1522	$self->_load_objects ($self->{load_path}, 1)	2083	$self->_load_objects ($f)
1523	or return;	2084	or return;
1524		2085
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1526	if delete $self->{load_original};	2087	if delete $self->{load_original};
1527		2088
1528	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	2090	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	2093	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1533	}	2097	}
1534	}	2098	}
1535		2099
1536	Coro::cede;	2100	$f->resolve_delayed_derefs;
		2101
		2102	cf::cede_to_tick;
1537	# now do the right thing for maps	2103	# now do the right thing for maps
1538	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	2106	unless $self->difficulty;
1541	Coro::cede;	2107	cf::cede_to_tick;
1542		2108
1543	unless ($self->{deny_activate}) {	2109	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	2110	$self->decay_objects;
1545	$self->fix_auto_apply;	2111	$self->fix_auto_apply;
1546	$self->update_buttons;	2112	$self->update_buttons;
1547	Coro::cede;	2113	cf::cede_to_tick;
1548	$self->set_darkness_map;	2114	$self->set_darkness_map;
1549	Coro::cede;	2115	cf::cede_to_tick;
1550	$self->activate;	2116	$self->activate;
1551	}	2117	}
1552		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1553	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1554	}	2123	}
1555		2124
1556	$self->post_load;	2125	$self->post_load;
1557	}	2126	}
1558		2127
…		…
1560	my ($self, $ob) = @_;	2129	my ($self, $ob) = @_;
1561		2130
1562	return find "~" . $ob->name . "/" . $self->{path}	2131	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	2132	if $self->per_player;
1564		2133
		2134	# return find "?party/" . $ob->name . "/" . $self->{path}
		2135	# if $self->per_party;
		2136
1565	$self	2137	$self
1566	}	2138	}
1567		2139
1568	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	2141	sub load_neighbours {
1570	my ($map) = @_;	2142	my ($map) = @_;
1571		2143
1572	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1573		2145
1574	for (0 .. 3) {	2146	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1576	or next;	2148	or next;
1577	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1578	or next;	2150	or next;
1579	$neigh->load;	2151	$neigh->load;
1580		2152
		2153	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	2156	}
1584		2157
1585	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1587	or next;	2161	or next;
1588	$neigh->load;	2162	$neigh->load;
1589	}	2163	}
1590	}	2164	}
1591		2165
…		…
1596	}	2170	}
1597		2171
1598	sub do_load_sync {	2172	sub do_load_sync {
1599	my ($map) = @_;	2173	my ($map) = @_;
1600		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1601	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1602	}	2179	}
1603		2180
1604	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2182	our $MAP_PREFETCHER = undef;
1606		2183
1607	sub find_async {	2184	sub find_async {
1608	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1609		2186
1610	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1611		2188
1612	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1614	}	2191	}
1615		2192
1616	undef $MAP_PREFETCH{$path};	2193	$MAP_PREFETCH{$path} |= $load;
		2194
1617	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1618	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2200	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2201	$map->load if $v;
		2202	}
1623		2203
1624	delete $MAP_PREFETCH{$path};	2204	delete $MAP_PREFETCH{$k};
1625	}	2205	}
1626	}	2206	}
1627	undef $MAP_PREFETCHER;	2207	undef $MAP_PREFETCHER;
1628	};	2208	};
1629	$MAP_PREFETCHER->prio (6);	2209	$MAP_PREFETCHER->prio (6);
…		…
1632	}	2212	}
1633		2213
1634	sub save {	2214	sub save {
1635	my ($self) = @_;	2215	my ($self) = @_;
1636		2216
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		2218
1639	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1640		2220
1641	return unless $self->dirty;	2221	return unless $self->dirty;
1642		2222
…		…
1648	return if $self->{deny_save};	2228	return if $self->{deny_save};
1649		2229
1650	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
1651		2231
1652	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
1654	};	2235	};
		2236
		2237	cf::get_slot 0.02;
1655		2238
1656	if ($uniq) {	2239	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1659	} else {	2242	} else {
…		…
1665	my ($self) = @_;	2248	my ($self) = @_;
1666		2249
1667	# save first because save cedes	2250	# save first because save cedes
1668	$self->save;	2251	$self->save;
1669		2252
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2254
1672	return if $self->players;	2255	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
1674	return if $self->{deny_save};	2257	return if $self->{deny_save};
1675		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
1676	$self->clear;	2263	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2264	}
1679		2265
1680	sub reset_at {	2266	sub reset_at {
1681	my ($self) = @_;	2267	my ($self) = @_;
1682		2268
1683	# TODO: safety, remove and allow resettable per-player maps	2269	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2270	return 1e99 if $self->{deny_reset};
1686		2271
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2272	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2273	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2274
…		…
1700	my ($self) = @_;	2285	my ($self) = @_;
1701		2286
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2288
1704	return if $self->players;	2289	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2290
1707	warn "resetting map ", $self->path;#d#	2291	warn "resetting map ", $self->path;
1708		2292
1709	$self->in_memory (cf::MAP_SWAPPED);	2293	$self->in_memory (cf::MAP_SWAPPED);
1710		2294
1711	# need to save uniques path	2295	# need to save uniques path
1712	unless ($self->{deny_save}) {	2296	unless ($self->{deny_save}) {
…		…
1716	if $uniq;	2300	if $uniq;
1717	}	2301	}
1718		2302
1719	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
1720		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2307	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2308
1725	$self->unlink_save;	2309	$self->unlink_save;
1726	$self->destroy;	2310	$self->destroy;
1727	}	2311	}
1728		2312
1729	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
1730		2314
1731	sub nuke {	2315	sub nuke {
1732	my ($self) = @_;	2316	my ($self) = @_;
1733		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
1734	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
1735		2322
1736	$self->unlink_save;	2323	$self->unlink_save;
1737		2324
1738	bless $self, "cf::map";	2325	bless $self, "cf::map";
1739	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2330
1744	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
1745		2333
1746	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
		2335	}
		2336
		2337	=item $maps = cf::map::tmp_maps
		2338
		2339	Returns an arrayref with all map paths of currently instantiated and saved
		2340	maps. May block.
		2341
		2342	=cut
		2343
		2344	sub tmp_maps() {
		2345	[
		2346	map {
		2347	utf8::decode $_;
		2348	/\.map$/
		2349	? normalise $_
		2350	: ()
		2351	} @{ aio_readdir $TMPDIR or [] }
		2352	]
		2353	}
		2354
		2355	=item $maps = cf::map::random_maps
		2356
		2357	Returns an arrayref with all map paths of currently instantiated and saved
		2358	random maps. May block.
		2359
		2360	=cut
		2361
		2362	sub random_maps() {
		2363	[
		2364	map {
		2365	utf8::decode $_;
		2366	/\.map$/
		2367	? normalise "?random/$_"
		2368	: ()
		2369	} @{ aio_readdir $RANDOMDIR or [] }
		2370	]
1747	}	2371	}
1748		2372
1749	=item cf::map::unique_maps	2373	=item cf::map::unique_maps
1750		2374
1751	Returns an arrayref of paths of all shared maps that have	2375	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2376	instantiated unique items. May block.
1753		2377
1754	=cut	2378	=cut
1755		2379
1756	sub unique_maps() {	2380	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2381	[
1758	or return;	2382	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2383	utf8::decode $_;
1764	next if /\.pst$/;	2384	s/\.map$//; # TODO future compatibility hack
1765	next unless /^$PATH_SEP/o;	2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766		2386	? ()
1767	push @paths, cf::map::normalise $_;	2387	: normalise $_
		2388	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2389	]
1769
1770	\@paths
1771	}	2390	}
1772
1773	package cf;
1774		2391
1775	=back	2392	=back
1776		2393
1777	=head3 cf::object	2394	=head3 cf::object
1778		2395
…		…
1782		2399
1783	=over 4	2400	=over 4
1784		2401
1785	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
1786		2403
1787	Returns the inventory of the object _and_ their inventories, recursively.	2404	Returns the inventory of the object I<and> their inventories, recursively,
		2405	but I<not> the object itself.
1788		2406
1789	=cut	2407	=cut
1790		2408
1791	sub inv_recursive_;	2409	sub inv_recursive_;
1792	sub inv_recursive_ {	2410	sub inv_recursive_ {
1793	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
1794	}	2412	}
1795		2413
1796	sub inv_recursive {	2414	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2415	inv_recursive_ inv $_[0]
		2416	}
		2417
		2418	=item $ref = $ob->ref
		2419
		2420	Creates and returns a persistent reference to an object that can be stored as a string.
		2421
		2422	=item $ob = cf::object::deref ($refstring)
		2423
		2424	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2425	even if the object actually exists. May block.
		2426
		2427	=cut
		2428
		2429	sub deref {
		2430	my ($ref) = @_;
		2431
		2432	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2433	my ($uuid, $name) = ($1, $2);
		2434	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2435	or return;
		2436	$pl->ob->uuid eq $uuid
		2437	or return;
		2438
		2439	$pl->ob
		2440	} else {
		2441	warn "$ref: cannot resolve object reference\n";
		2442	undef
		2443	}
1798	}	2444	}
1799		2445
1800	package cf;	2446	package cf;
1801		2447
1802	=back	2448	=back
…		…
1821		2467
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2469
1824	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1826	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2482	$self->message ($msg, $flags);
		2483	}
1829	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1830	}	2495	}
1831		2496
1832	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1833		2498
1834	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1881	$self->deactivate_recursive;	2546	$self->deactivate_recursive;
1882		2547
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2548	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2549
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2551	if $self->map && $self->map->{path} ne "{link}";
1887		2552
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2554	}
1890		2555
1891	sub cf::object::player::leave_link {	2556	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2557	my ($self, $map, $x, $y) = @_;
		2558
		2559	return unless $self->contr->active;
1893		2560
1894	my $link_pos = delete $self->{_link_pos};	2561	my $link_pos = delete $self->{_link_pos};
1895		2562
1896	unless ($map) {	2563	unless ($map) {
1897	# restore original map position	2564	# restore original map position
…		…
1911	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
1914		2581
1915	$map->load;	2582	$map->load;
1916	$map->load_diag;	2583	$map->load_neighbours;
1917		2584
1918	return unless $self->contr->active;	2585	return unless $self->contr->active;
1919	$self->activate_recursive;	2586	$self->activate_recursive;
1920		2587
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
1923	}	2590	}
1924		2591
1925	cf::player->attach (	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2593
1929	# abort map switching before logout	2594	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2595	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2596	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2597	the new (success) or old (failed) map position. In either case, $done will
1933	};	2598	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2599
1939	# try to abort aborted map switching on player login :)
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956
1957	=item $player_object->goto ($path, $x, $y)
1958
1959	=cut	2600	=cut
		2601
		2602	our $GOTOGEN;
1960		2603
1961	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2605	my ($self, $path, $x, $y, $check, $done) = @_;
		2606
		2607	# do generation counting so two concurrent goto's will be executed in-order
		2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2609
1964	$self->enter_link;	2610	$self->enter_link;
1965		2611
1966	(async {	2612	(async {
		2613	$Coro::current->{desc} = "player::goto $path $x $y";
		2614
		2615	# *tag paths override both path and x|y
		2616	if ($path =~ /^\*(.*)$/) {
		2617	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2618	my $ob = $obs[rand @obs];
		2619
		2620	# see if we actually can go there
		2621	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2622	$ob = $obs[rand @obs];
		2623	} else {
		2624	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626	# else put us there anyways for now #d#
		2627
		2628	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2629	} else {
		2630	($path, $x, $y) = (undef, undef, undef);
		2631	}
		2632	}
		2633
1967	my $map = eval {	2634	my $map = eval {
1968	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
		2636
		2637	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2638	$map = $map->customise_for ($self);
		2639	$map = $check->($map) if $check && $map;
		2640	} else {
		2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2642	}
		2643
1970	$map	2644	$map
		2645	};
		2646
		2647	if ($@) {
		2648	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2649	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2650	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2651
		2652	if ($gen == $self->{_goto_generation}) {
		2653	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
		2655	}
		2656
		2657	$done->() if $done;
1975	})->prio (1);	2658	})->prio (1);
1976	}	2659	}
1977		2660
1978	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
1979		2662
…		…
2016	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
2017	}	2700	}
2018		2701
2019	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
2020		2703
2021	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2022	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
2023	my $meta = "$RANDOMDIR/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
2024		2707
2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
…		…
2048	my $hp = $exit->stats->hp;	2731	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;	2732	my $sp = $exit->stats->sp;
2050		2733
2051	$self->enter_link;	2734	$self->enter_link;
2052		2735
		2736	# if exit is damned, update players death & WoR home-position
		2737	$self->contr->savebed ($slaying, $hp, $sp)
		2738	if $exit->flag (FLAG_DAMNED);
		2739
2053	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
2054	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
2055	unless (eval {	2744	unless (eval {
2056	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
2057		2746
2058	1;	2747	1;
…		…
2084		2773
2085	utf8::encode $text;	2774	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2776	}
2088		2777
		2778	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2779
		2780	Send a drawinfo or msg packet to the client, formatting the msg for the
		2781	client if neccessary. C<$type> should be a string identifying the type of
		2782	the message, with C<log> being the default. If C<$color> is negative, suppress
		2783	the message unless the client supports the msg packet.
		2784
		2785	=cut
		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg);
		2843
		2844	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2845
		2846	# check predefined channels, for the benefit of C
		2847	if ($CHANNEL{$channel}) {
		2848	$channel = $CHANNEL{$channel};
		2849
		2850	$self->ext_msg (channel_info => $channel)
		2851	if $self->can_msg;
		2852
		2853	$channel = $channel->{id};
		2854
		2855	} elsif (ref $channel) {
		2856	# send meta info to client, if not yet sent
		2857	unless (exists $self->{channel}{$channel->{id}}) {
		2858	$self->{channel}{$channel->{id}} = $channel;
		2859	$self->ext_msg (channel_info => $channel)
		2860	if $self->can_msg;
		2861	}
		2862
		2863	$channel = $channel->{id};
		2864	}
		2865
		2866	return unless @extra || length $msg;
		2867
		2868	if ($self->can_msg) {
		2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
		2873	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2875	} else {
		2876	if ($color >= 0) {
		2877	# replace some tags by gcfclient-compatible ones
		2878	for ($msg) {
		2879	1 while
		2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2885	}
		2886
		2887	$color &= cf::NDI_COLOR_MASK;
		2888
		2889	utf8::encode $msg;
		2890
		2891	if (0 && $msg =~ /\[/) {
		2892	# COMMAND/INFO
		2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2894	} else {
		2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2896	$self->send_packet ("drawinfo $color $msg")
		2897	}
		2898	}
		2899	}
		2900	}
		2901
2089	=item $client->ext_event ($type, %msg)	2902	=item $client->ext_msg ($type, @msg)
2090		2903
2091	Sends an exti event to the client.	2904	Sends an ext event to the client.
2092		2905
2093	=cut	2906	=cut
2094		2907
2095	sub cf::client::ext_event($$%) {	2908	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	2909	my ($self, $type, @msg) = @_;
2097		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	2914	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
2100	}	2935	}
2101		2936
2102	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
2103		2938
2104	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2940	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2941	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2942
2108	Queries can fail, so check the return code. Or don't, as queries will become	2943	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	2944	become reliable at some point in the future.
2110		2945
2111	=cut	2946	=cut
2112		2947
2113	sub cf::client::query {	2948	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2957	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2959
2125	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
2127	}	2964	}
2128		2965
2129	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
2130	on_reply => sub {	2972	on_reply => sub {
2131	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
2132		2974
2133	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
2134	# get handled first	2976	# get handled first
…		…
2146	} else {	2988	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2990	}
2149	}	2991	}
2150	},	2992	},
		2993	on_exticmd => sub {
		2994	my ($ns, $buf) = @_;
		2995
		2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2997
		2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
		3006	if (my $cb = $EXTICMD{$type}) {
		3007	@reply = $cb->($ns, @payload);
		3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
		3013	} else {
		3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3015	}
		3016
		3017	cf::override;
		3018	},
2151	);	3019	);
2152		3020
2153	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
2154		3022
2155	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
2196	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2198		3066
2199	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2200		3068
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
2202		3074
2203	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2204		3076
2205	=pod	3077	=pod
2206		3078
2207	The following functions and methods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2208		3080
2209	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease split
		3084
2210	cf::object::player player	3085	cf::object::player
2211	cf::player peaceful	3086	player
2212	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2213		3093
2214	=cut	3094	=cut
2215		3095
2216	for (	3096	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv name archname title slaying race
		3099	decrease split destroy)],
2218	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2221	) {	3103	) {
2222	no strict 'refs';	3104	no strict 'refs';
…		…
2293	=back	3175	=back
2294		3176
2295	=cut	3177	=cut
2296		3178
2297	#############################################################################	3179	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	3180	# the server's init and main functions
2473		3181
2474	sub load_facedata($) {	3182	sub load_facedata($) {
2475	my ($path) = @_;	3183	my ($path) = @_;
		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476		3190
2477	warn "loading facedata from $path\n";	3191	warn "loading facedata from $path\n";
2478		3192
2479	my $facedata;	3193	my $facedata;
2480	0 < aio_load $path, $facedata	3194	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	3197	$facedata = Coro::Storable::thaw $facedata;
2484		3198
2485	$facedata->{version} == 2	3199	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
2488	{	3209	{
2489	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2490		3211
2491	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3215	cf::face::set_visibility $idx, $info->{visibility};
		3216	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496	Coro::cede;	3219
		3220	cf::cede_to_tick;
2497	}	3221	}
2498		3222
2499	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2501	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2502	or next;	3227	or next;
		3228
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
		3230	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3232	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3234	}
2508	Coro::cede;	3235
		3236	cf::cede_to_tick;
2509	}	3237	}
2510	}	3238	}
2511		3239
2512	{	3240	{
2513	my $anims = $facedata->{animinfo};	3241	my $anims = $facedata->{animinfo};
2514		3242
2515	while (my ($anim, $info) = each %$anims) {	3243	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3245	cf::cede_to_tick;
2518	}	3246	}
2519		3247
2520	cf::anim::invalidate_all; # d'oh	3248	cf::anim::invalidate_all; # d'oh
2521	}	3249	}
2522		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3285
2523	1	3286	1
2524	}	3287	}
2525		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
		3317	sub load_resource_file($) {
		3318	my $guard = lock_acquire "load_resource_file";
		3319
		3320	my $status = load_resource_file_ $_[0];
		3321	get_slot 0.1, 100;
		3322	cf::arch::commit_load;
		3323
		3324	$status
		3325	}
		3326
2526	sub reload_regions {	3327	sub reload_regions {
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
2527	load_resource_file "$MAPDIR/regions"	3332	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3333	or die "unable to load regions file\n";
		3334
		3335	for (cf::region::list) {
		3336	$_->{match} = qr/$_->{match}/
		3337	if exists $_->{match};
		3338	}
2529	}	3339	}
2530		3340
2531	sub reload_facedata {	3341	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3342	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3343	or die "unable to load facedata\n";
…		…
2544	}	3354	}
2545		3355
2546	sub reload_resources {	3356	sub reload_resources {
2547	warn "reloading resource files...\n";	3357	warn "reloading resource files...\n";
2548		3358
2549	reload_regions;
2550	reload_facedata;	3359	reload_facedata;
2551	reload_archetypes;	3360	reload_archetypes;
		3361	reload_regions;
2552	reload_treasures;	3362	reload_treasures;
2553		3363
2554	warn "finished reloading resource files\n";	3364	warn "finished reloading resource files\n";
2555	}	3365	}
2556		3366
2557	sub init {	3367	sub init {
		3368	my $guard = freeze_mainloop;
		3369
2558	reload_resources;	3370	reload_resources;
2559	}	3371	}
2560		3372
2561	sub cfg_load {	3373	sub reload_config {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3374	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3375	or return;
2564		3376
2565	local $/;	3377	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3378	*CFG = YAML::Load <$fh>;
2567		3379
2568	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3380	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2569		3381
2570	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3382	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3383	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2582	sub main {	3394	sub main {
2583	# we must not ever block the main coroutine	3395	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3396	local $Coro::idle = sub {
2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3397	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586	(async {	3398	(async {
2587	Event::one_event;	3399	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3400	EV::loop EV::LOOP_ONESHOT;
2588	})->prio (Coro::PRIO_MAX);	3401	})->prio (Coro::PRIO_MAX);
2589	};	3402	};
2590		3403
2591	cfg_load;	3404	{
		3405	my $guard = freeze_mainloop;
		3406	reload_config;
2592	db_init;	3407	db_init;
2593	load_extensions;	3408	load_extensions;
2594		3409
2595	$TICK_WATCHER->start;	3410	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3411	evthread_start IO::AIO::poll_fileno;
		3412	}
		3413
2596	Event::loop;	3414	EV::loop;
2597	}	3415	}
2598		3416
2599	#############################################################################	3417	#############################################################################
2600	# initialisation and cleanup	3418	# initialisation and cleanup
2601		3419
2602	# install some emergency cleanup handlers	3420	# install some emergency cleanup handlers
2603	BEGIN {	3421	BEGIN {
		3422	our %SIGWATCHER = ();
2604	for my $signal (qw(INT HUP TERM)) {	3423	for my $signal (qw(INT HUP TERM)) {
2605	Event->signal (	3424	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	signal => $signal,
2609	prio => 0,
2610	cb => sub {
2611	cf::cleanup "SIG$signal";	3425	cf::cleanup "SIG$signal";
2612	},
2613	);	3426	};
		3427	}
		3428	}
		3429
		3430	sub write_runtime_sync {
		3431	my $runtime = "$LOCALDIR/runtime";
		3432
		3433	# first touch the runtime file to show we are still running:
		3434	# the fsync below can take a very very long time.
		3435
		3436	IO::AIO::aio_utime $runtime, undef, undef;
		3437
		3438	my $guard = cf::lock_acquire "write_runtime";
		3439
		3440	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3441	or return;
		3442
		3443	my $value = $cf::RUNTIME + 90 + 10;
		3444	# 10 is the runtime save interval, for a monotonic clock
		3445	# 60 allows for the watchdog to kill the server.
		3446
		3447	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3448	and return;
		3449
		3450	# always fsync - this file is important
		3451	aio_fsync $fh
		3452	and return;
		3453
		3454	# touch it again to show we are up-to-date
		3455	aio_utime $fh, undef, undef;
		3456
		3457	close $fh
		3458	or return;
		3459
		3460	aio_rename "$runtime~", $runtime
		3461	and return;
		3462
		3463	warn "runtime file written.\n";
		3464
2614	}	3465	1
		3466	}
		3467
		3468	our $uuid_lock;
		3469	our $uuid_skip;
		3470
		3471	sub write_uuid_sync($) {
		3472	$uuid_skip ||= $_[0];
		3473
		3474	return if $uuid_lock;
		3475	local $uuid_lock = 1;
		3476
		3477	my $uuid = "$LOCALDIR/uuid";
		3478
		3479	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3480	or return;
		3481
		3482	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3483	$uuid_skip = 0;
		3484
		3485	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3486	and return;
		3487
		3488	# always fsync - this file is important
		3489	aio_fsync $fh
		3490	and return;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$uuid~", $uuid
		3496	and return;
		3497
		3498	warn "uuid file written ($value).\n";
		3499
		3500	1
		3501
		3502	}
		3503
		3504	sub write_uuid($$) {
		3505	my ($skip, $sync) = @_;
		3506
		3507	$sync ? write_uuid_sync $skip
		3508	: async { write_uuid_sync $skip };
2615	}	3509	}
2616		3510
2617	sub emergency_save() {	3511	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3512	my $freeze_guard = cf::freeze_mainloop;
2619		3513
…		…
2625	# and maps saved/destroyed asynchronously.	3519	# and maps saved/destroyed asynchronously.
2626	warn "begin emergency player save\n";	3520	warn "begin emergency player save\n";
2627	for my $login (keys %cf::PLAYER) {	3521	for my $login (keys %cf::PLAYER) {
2628	my $pl = $cf::PLAYER{$login} or next;	3522	my $pl = $cf::PLAYER{$login} or next;
2629	$pl->valid or next;	3523	$pl->valid or next;
		3524	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630	$pl->save;	3525	$pl->save;
2631	}	3526	}
2632	warn "end emergency player save\n";	3527	warn "end emergency player save\n";
2633		3528
2634	warn "begin emergency map save\n";	3529	warn "begin emergency map save\n";
…		…
2640	warn "end emergency map save\n";	3535	warn "end emergency map save\n";
2641		3536
2642	warn "begin emergency database checkpoint\n";	3537	warn "begin emergency database checkpoint\n";
2643	BDB::db_env_txn_checkpoint $DB_ENV;	3538	BDB::db_env_txn_checkpoint $DB_ENV;
2644	warn "end emergency database checkpoint\n";	3539	warn "end emergency database checkpoint\n";
		3540
		3541	warn "begin write uuid\n";
		3542	write_uuid_sync 1;
		3543	warn "end write uuid\n";
2645	};	3544	};
2646		3545
2647	warn "leave emergency perl save\n";	3546	warn "leave emergency perl save\n";
2648	}	3547	}
2649		3548
…		…
2664	warn "reloading...";	3563	warn "reloading...";
2665		3564
2666	warn "entering sync_job";	3565	warn "entering sync_job";
2667		3566
2668	cf::sync_job {	3567	cf::sync_job {
2669	cf::write_runtime; # external watchdog should not bark	3568	cf::write_runtime_sync; # external watchdog should not bark
2670	cf::emergency_save;	3569	cf::emergency_save;
2671	cf::write_runtime; # external watchdog should not bark	3570	cf::write_runtime_sync; # external watchdog should not bark
2672		3571
2673	warn "syncing database to disk";	3572	warn "syncing database to disk";
2674	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
2675		3574
2676	# if anything goes wrong in here, we should simply crash as we already saved	3575	# if anything goes wrong in here, we should simply crash as we already saved
2677
2678	warn "cancelling all WF_AUTOCANCEL watchers";
2679	for (Event::all_watchers) {
2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2681	}
2682		3576
2683	warn "flushing outstanding aio requests";	3577	warn "flushing outstanding aio requests";
2684	for (;;) {	3578	for (;;) {
2685	BDB::flush;	3579	BDB::flush;
2686	IO::AIO::flush;	3580	IO::AIO::flush;
2687	Coro::cede;	3581	Coro::cede_notself;
2688	last unless IO::AIO::nreqs || BDB::nreqs;	3582	last unless IO::AIO::nreqs || BDB::nreqs;
2689	warn "iterate...";	3583	warn "iterate...";
2690	}	3584	}
2691		3585
2692	++$RELOAD;	3586	++$RELOAD;
…		…
2696	%EXT_CORO = ();	3590	%EXT_CORO = ();
2697		3591
2698	warn "removing commands";	3592	warn "removing commands";
2699	%COMMAND = ();	3593	%COMMAND = ();
2700		3594
2701	warn "removing ext commands";	3595	warn "removing ext/exti commands";
2702	%EXTCMD = ();	3596	%EXTCMD = ();
		3597	%EXTICMD = ();
2703		3598
2704	warn "unloading/nuking all extensions";	3599	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3600	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3601	warn "... unloading $pkg";
2707		3602
…		…
2750	warn "reloading cf.pm";	3645	warn "reloading cf.pm";
2751	require cf;	3646	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3647	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753		3648
2754	warn "loading config and database again";	3649	warn "loading config and database again";
2755	cf::cfg_load;	3650	cf::reload_config;
2756		3651
2757	warn "loading extensions";	3652	warn "loading extensions";
2758	cf::load_extensions;	3653	cf::load_extensions;
2759		3654
2760	warn "reattaching attachments to objects/players";	3655	warn "reattaching attachments to objects/players";
…		…
2767	warn "leaving sync_job";	3662	warn "leaving sync_job";
2768		3663
2769	1	3664	1
2770	} or do {	3665	} or do {
2771	warn $@;	3666	warn $@;
2772	warn "error while reloading, exiting.";	3667	cf::cleanup "error while reloading, exiting.";
2773	exit 1;
2774	};	3668	};
2775		3669
2776	warn "reloaded";	3670	warn "reloaded";
2777	};	3671	};
2778		3672
…		…
2780		3674
2781	sub reload_perl() {	3675	sub reload_perl() {
2782	# doing reload synchronously and two reloads happen back-to-back,	3676	# doing reload synchronously and two reloads happen back-to-back,
2783	# coro crashes during coro_state_free->destroy here.	3677	# coro crashes during coro_state_free->destroy here.
2784		3678
2785	$RELOAD_WATCHER ||= Event->timer (	3679	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2786	reentrant => 0,
2787	after => 0,
2788	data => WF_AUTOCANCEL,
2789	cb => sub {
2790	do_reload_perl;	3680	do_reload_perl;
2791	undef $RELOAD_WATCHER;	3681	undef $RELOAD_WATCHER;
2792	},
2793	);	3682	};
2794	}	3683	}
2795		3684
2796	register_command "reload" => sub {	3685	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	3686	my ($who, $arg) = @_;
2798		3687
2799	if ($who->flag (FLAG_WIZ)) {	3688	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	3689	$who->message ("reloading server.");
		3690	async {
		3691	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	3692	reload_perl;
		3693	};
2802	}	3694	}
2803	};	3695	};
2804		3696
2805	unshift @INC, $LIBDIR;	3697	unshift @INC, $LIBDIR;
2806		3698
…		…
2808		3700
2809	our @WAIT_FOR_TICK;	3701	our @WAIT_FOR_TICK;
2810	our @WAIT_FOR_TICK_BEGIN;	3702	our @WAIT_FOR_TICK_BEGIN;
2811		3703
2812	sub wait_for_tick {	3704	sub wait_for_tick {
2813	return unless $TICK_WATCHER->is_active;
2814	return if $Coro::current == $Coro::main;	3705	return if tick_inhibit || $Coro::current == $Coro::main;
2815		3706
2816	my $signal = new Coro::Signal;	3707	my $signal = new Coro::Signal;
2817	push @WAIT_FOR_TICK, $signal;	3708	push @WAIT_FOR_TICK, $signal;
2818	$signal->wait;	3709	$signal->wait;
2819	}	3710	}
2820		3711
2821	sub wait_for_tick_begin {	3712	sub wait_for_tick_begin {
2822	return unless $TICK_WATCHER->is_active;
2823	return if $Coro::current == $Coro::main;	3713	return if tick_inhibit || $Coro::current == $Coro::main;
2824		3714
2825	my $signal = new Coro::Signal;	3715	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3716	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3717	$signal->wait;
2828	}	3718	}
2829		3719
2830	$TICK_WATCHER = Event->timer (	3720	sub tick {
2831	reentrant => 0,
2832	parked => 1,
2833	prio => 0,
2834	at => $NEXT_TICK || $TICK,
2835	data => WF_AUTOCANCEL,
2836	cb => sub {
2837	if ($Coro::current != $Coro::main) {	3721	if ($Coro::current != $Coro::main) {
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3722	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3723	unless ++$bug_warning > 10;
2840	return;	3724	return;
2841	}	3725	}
2842		3726
2843	$NOW = Event::time;
2844
2845	cf::server_tick; # one server iteration	3727	cf::server_tick; # one server iteration
2846		3728
2847	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;
2849
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3729	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	3730	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852	Coro::async_pool {	3731	Coro::async_pool {
		3732	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	3733	write_runtime_sync
2854	or warn "ERROR: unable to write runtime file: $!";	3734	or warn "ERROR: unable to write runtime file: $!";
2855	};
2856	}	3735	};
		3736	}
2857		3737
2858	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#
2860
2861	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;
2866
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3738	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868	$sig->send;	3739	$sig->send;
2869	}	3740	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {	3741	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;	3742	$sig->send;
2872	}
2873
2874	_post_tick;
2875	},	3743	}
2876	);	3744
		3745	$LOAD = ($NOW - $TICK_START) / $TICK;
		3746	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3747
		3748	if (0) {
		3749	if ($NEXT_TICK) {
		3750	my $jitter = $TICK_START - $NEXT_TICK;
		3751	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3752	warn "jitter $JITTER\n";#d#
		3753	}
		3754	}
		3755	}
2877		3756
2878	{	3757	{
2879	BDB::max_poll_time $TICK * 0.1;	3758	# configure BDB
2880	$BDB_POLL_WATCHER = Event->io (	3759
2881	reentrant => 0,
2882	fd => BDB::poll_fileno,
2883	poll => 'r',
2884	prio => 0,
2885	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,
2887	);
2888	BDB::min_parallel 8;	3760	BDB::min_parallel 8;
2889		3761	BDB::max_poll_reqs $TICK * 0.1;
2890	BDB::set_sync_prepare {	3762	$Coro::BDB::WATCHER->priority (1);
2891	my $status;
2892	my $current = $Coro::current;
2893	(
2894	sub {
2895	$status = $!;
2896	$current->ready; undef $current;
2897	},
2898	sub {
2899	Coro::schedule while defined $current;
2900	$! = $status;
2901	},
2902	)
2903	};
2904		3763
2905	unless ($DB_ENV) {	3764	unless ($DB_ENV) {
2906	$DB_ENV = BDB::db_env_create;	3765	$DB_ENV = BDB::db_env_create;
		3766	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3767	| BDB::LOG_AUTOREMOVE, 1);
		3768	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3769	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907		3770
2908	cf::sync_job {	3771	cf::sync_job {
2909	eval {	3772	eval {
2910	BDB::db_env_open	3773	BDB::db_env_open
2911	$DB_ENV,	3774	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3776	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3777	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	3778	0666;
2916		3779
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3780	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	3781	};
2922		3782
2923	cf::cleanup "db_env_open(db): $@" if $@;	3783	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	3784	};
2925	}	3785	}
		3786
		3787	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3788	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3789	};
		3790	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3791	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3792	};
		3793	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3794	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3795	};
2926	}	3796	}
2927		3797
2928	{	3798	{
		3799	# configure IO::AIO
		3800
2929	IO::AIO::min_parallel 8;	3801	IO::AIO::min_parallel 8;
2930
2931	undef $Coro::AIO::WATCHER;
2932	IO::AIO::max_poll_time $TICK * 0.1;	3802	IO::AIO::max_poll_time $TICK * 0.1;
2933	$AIO_POLL_WATCHER = Event->io (	3803	$Coro::AIO::WATCHER->priority (1);
2934	reentrant => 0,
2935	data => WF_AUTOCANCEL,
2936	fd => IO::AIO::poll_fileno,
2937	poll => 'r',
2938	prio => 6,
2939	cb => \&IO::AIO::poll_cb,
2940	);
2941	}	3804	}
2942		3805
2943	my $_log_backtrace;	3806	my $_log_backtrace;
2944		3807
2945	sub _log_backtrace {	3808	sub _log_backtrace {
…		…
2949		3812
2950	# limit the # of concurrent backtraces	3813	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	3814	if ($_log_backtrace < 2) {
2952	++$_log_backtrace;	3815	++$_log_backtrace;
2953	async {	3816	async {
		3817	$Coro::current->{desc} = "abt $msg";
		3818
2954	my @bt = fork_call {	3819	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	3820	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3821	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3822	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958	or die "addr2line: $!";	3823	or die "addr2line: $!";

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